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Finding the Fourth Proportional to 281,397.77, 388,325.96 and 152,333.34

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Solution

The fourth proportional to 281,397.77, 388,325.96 and 152,333.34 is: 210,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,397.77 : 388,325.96 = 152,333.34 : x
  2. Step 2: Convert to fraction form
    281,397.77/388,325.96 = 152,333.34/x
  3. Step 3: Cross multiply
    281,397.77x = 388,325.96 × 152,333.34
  4. Step 4: Simplify right side
    281,397.77x = 59,154,989,733.84
  5. Step 5: Solve for x
    x = 59,154,989,733.84/281,397.77
  6. Step 6: Final answer
    x = 210,218.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.